DuraVent PolyPro Flex Series Manual de instrucciones de instalación - Página 4

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APPLICATION / LISTING

For specific information on application,

equivalent length of fittings, listings, etc.,

please reference Duravent's installation

instructions for rigid pipe (Document L273).

Duravent's PolyPro vent pipe should not be

installed in areas where the temperature

could exceed 230 F / 110 C.

PERMITS

Check with your local Building Official, Fire

Official, or other authority having jurisdiction

regarding permits, restrictions, and

installation inspections in your area.

MINIMUM CLEARANCE TO

COMBUSTIBLES

Refer to Table A for minimum clearances

to combustible materials. Use the values

shown in this table unless the appliance

manufacturer specifies otherwise. If there

is a conflict between the two, the greater

clearance shall apply. It is prohibited to place

any type of insulation around the venting

system within these clearances.

CAUTION

Installation applications and

terminations shown in these

instructions must be approved by the

manufacturer of the appliance to which

it is applied. Use only listed DuraVent

terminations with PolyPro Venting.

VENT ORIENTATION

Minimum Clearance To Combustibles Table

Horizontal

Vertical

IMPORTANT

The vent system must terminate in

accordance with local code requirements

and appropriate National Codes:

In the US: NFPA 54 / ANSI Z223.1

National Fuel Gas Code or the

International Fuel Gas Code.

In Canada: CAN/CGA-B149.1 Natural

Gas Installation Code or CAN/CGA-149.2

Propane Installation Code.

GENERAL INSTALLATION NOTES

Reference the Installation Instructions

provided with Duravent's rigid pipe (L273)

for general instructions. PP Flex must be

enclosed, and used in conjunction with

rigid PP pipe to connect to an appliance.

•

When used to conduct flue gases, PP flex

must not be installed at an angle greater

than 45 degrees from vertical. This will

ensure proper condensate flow back

towards the appliance outlet.

•

PP Flex may be used to bring

combustion air into the appliance. In

these instances, pipe can be unenclosed

and oriented in a vertical or horizontal

position.

•

PP flex must be treated carefully to

prevent damage when being installed

during low temperatures (<41°F, < 5 °C).

In colder weather, pre-warm flex prior

to installation. When relining, it may be

easier to insert flex from the bottom up

Table A

Single Wall: 0" for flue temperatures up to 194*F (90*C).

1/4" (6mm) for flue temperatures up to 230*F (110*C).

CLEARANCE

Flex: N/A- NOT ALLOWED

Single Wall: 0"

Flex: 0" (Must be enclosed)